A is a magnetic storage device that uses a thin, circular disk to store information.

In storage, data is stored on a disk or tape by magnetizing particles in a particular pattern to represent the binary digits of the data.

is the process of encoding data in magnetic patterns on a disk or other storage media.

is the amount of time it takes for a storage device to locate and retrieve data.

is a method of accessing data on a disk in which the read/write head stays on a single track while the platters rotate.